PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-22:57:40
G03     257.8          69.9                8.0 +/-    0.91       8.4 +/-    0.91  0.040 / 0.040
G09     301.8          18.5                7.9 +/-    1.25      18.1 +/-    1.25  0.040 / 0.050
G14     93.4           21.9                8.8 +/-    2.00      18.5 +/-    2.00  0.120 / 0.280
G16     130.6          54.9               11.2 +/-    1.11      13.4 +/-    1.11  0.110 / 0.350
G22     202.7          60.9               11.0 +/-    1.26      12.4 +/-    1.26  0.050 / 0.080
G23     315.4          45.2                6.9 +/-    1.79       9.3 +/-    1.79  0.040 / 0.090
G26     77.1           53.2                6.6 +/-    1.63       8.1 +/-    1.63  0.030 / 0.040
G31     50.2           22.9                5.1 +/-    0.36      10.4 +/-    0.36  0.040 / 0.040